@charset "UTF-8";
/* =======================================================
   web-marketing.css
   Itonoba Works - WEBマーケティング支援ページ
   ======================================================= */

/* =======================================================
   PAGE BASE
   ======================================================= */
.page-web-marketing {
  background: var(--paper);
  color: var(--ink);
}

.sv-hero,
.sv-concerns,
.sv-concept,
.sv-approach,
.sv-parallax,
.sv-faq {
  position: relative;
  overflow: visible;
}

section[id] {
  scroll-margin-top: 80px;
}

/* =======================================================
   COMMON
   ======================================================= */
.inner {
  max-width: 1190px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =======================================================
   WAVE DIVIDER
   ======================================================= */
.wave-divider {
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  pointer-events: none;
  z-index: 3;
  line-height: 0;
}

.wave-divider--top {
  top: 0;
  transform: translateY(-100%);
}

.wave-divider svg {
  width: 100%;
  height: auto;
  display: block;
  min-height: 80px;
}

.wave-divider--concerns {
  transform: translateY(-90%);
}

.wave-divider--concept {
  transform: translateY(-70%);
}

.wave-divider--approach {
  transform: translateY(-70%);
}

.wave-divider--faq {
  transform: translateY(-90%);
}


/* =======================================================
   HERO
   ======================================================= */
.sv-hero {
  background: radial-gradient(ellipse at top, #FFFDF7 0%, #E8DBC0 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: visible;
}

.sv-hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
  position: relative;
}

.sv-hero__text {
  display: flex;
  flex-direction: column;
  padding-top: 40px;
  order: 1;
}

.sv-hero__shape {
  order: 2;
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: none;
  border-radius: 4px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 0;
  box-shadow: none;
}

.sv-hero__shape img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 0;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 15%, #000 85%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 15%, #000 85%, transparent 100%);
  -webkit-mask-composite: source-in;
  -webkit-mask-size: 100% 100%;

  mask-image:
    linear-gradient(to right, transparent 0%, #000 15%, #000 85%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 15%, #000 85%, transparent 100%);
  mask-composite: intersect;
  mask-size: 100% 100%;
}

.sv-hero__shape-tag {
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(10, 10, 10, .45);
  font-weight: 600;
}

.sv-breadcrumb {
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--ink-muted);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sv-breadcrumb a {
  color: var(--ink-muted);
  transition: color .3s var(--ease);
}

.sv-breadcrumb a:hover {
  color: var(--ink);
}

.sv-hero__title-en {
  display: block;
  font-family: var(--ff-en);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 500;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--navy-bright);
  margin: 0;
}

.sv-hero__title-ja {
  display: block;
  font-family: var(--ff-jp);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 400;
  letter-spacing: .12em;
  line-height: 1.7;
  color: var(--ink);
  margin: 18px 0 0;
}

.sv-hero__lead {
  font-family: var(--ff-jp);
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-soft);
  letter-spacing: .02em;
  margin: 32px 0 0;
  max-width: 520px;
}

/* HERO アンカー*/
.sv-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 36px;
}

.sv-hero__anchors a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid rgba(10, 10, 10, .12);
  border-radius: 999px;
  font-family: var(--ff-jp);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink-soft);
  background: transparent;
  transition: all .3s var(--ease);
}

.sv-hero__anchors a::after {
  content: "↓";
  font-size: 10px;
  opacity: .5;
}

.sv-hero__anchors a:hover {
  border-color: rgba(10, 10, 10, .35);
  color: var(--ink);
  background: transparent;
}

.sv-hero__wave-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 80px;
  line-height: 0;
  pointer-events: none;
  z-index: 3;
}

.sv-hero__wave-bottom svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* =======================================================
   SECTION 01: Concerns
   ======================================================= */
.sv-concerns {
  background: #FFFFFF;
  padding: 100px 0 0px;
  position: relative;
}

.sv-concerns__divider {
  position: relative;
  border-top: 1px solid var(--navy);
  margin: 40px 0 0;
  height: 0;
}

.sv-concerns__divider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 330px;
  width: 0;
  height: 0;
  border-left: 24px solid transparent;
  border-right: 24px solid transparent;
  border-top: 24px solid var(--navy);
}

.sv-concerns__divider::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 331px;
  width: 0;
  height: 0;
  border-left: 23px solid transparent;
  border-right: 23px solid transparent;
  border-top: 23px solid #FFFFFF;
}

.sv-concerns__lower {
  background: #E8F0F5;
  padding: 40px 0 80px;
}

.sv-concerns__content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 100px;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
}

.sv-concerns__visual {
  aspect-ratio: 3 / 4;
  background: #FFFFFF;
  border: 1px dashed rgba(30, 58, 110, .25);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sv-concerns__visual:has(img) {
  border: none;
  background: transparent;
}

.sv-concerns__visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.sv-concerns__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sv-concerns__item+.sv-concerns__item {
  border-top: 1px dashed rgba(30, 58, 110, .25);
}

.sv-concerns__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  font-family: var(--ff-jp);
  font-size: 15.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink);
}



.sv-concerns__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  display: inline-block;
  background-color: var(--navy);
  -webkit-mask: url('/img/icons/check.svg') no-repeat center / contain;
  mask: url('/img/icons/check.svg') no-repeat center / contain;
}

.sv-concerns__toggle {
  display: none;
}

/* =======================================================
   SECTION 02 - CONCEPT（カード型）
   ======================================================= */
.sv-concept {
  padding: 140px 0;
  background: #FFFFFF;
}

.sv-concept__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 56px auto 0;
  position: relative;
}

.sv-concept__compare::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 50%;
  width: 1px;
  background: rgba(10, 10, 10, .12);
  z-index: 0;
}

.sv-concept__col {
  display: flex;
  flex-direction: column;
  background: #1E3A6D;
  border-radius: 10px;
  padding: 0px;
  overflow: hidden;
  box-shadow: 20px 20px 20px rgba(0, 0, 0, .15);
  position: relative;
  z-index: 1;
  max-width: 400px;
  width: 100%;
  justify-self: center;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}

.sv-concept__col:hover {
  transform: translateY(-4px);
  box-shadow: 20px 20px 20px rgba(0, 0, 0, .15);
}

.sv-concept__col-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  background: #FFFFFF;
  border: none;
}

.sv-concept__col-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sv-concept__col-en {
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .75);
  margin: 0;
  padding: 24px 24px 14px;
}

.sv-concept__col-title {
  font-family: var(--ff-jp);
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 500;
  letter-spacing: .04em;
  line-height: 1.65;
  color: rgba(255, 255, 255, .85);
  margin: 0;
  padding: 0 24px 18px;
}

.sv-concept__col-desc {
  font-family: var(--ff-jp);
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .85);
  margin: 0;
  padding: 0 24px 28px;
}



/* =======================================================
   SECTION 03 - APPROACH
   ======================================================= */
.sv-approach {
  padding: 200px 0 180px;
  background: #FCFBF8;
}

.sv-approach>.inner>.concept__eyebrow {
  margin: 0 0 16px;
}

.sv-approach>.inner>.concept__heading {
  margin: 0 0 24px;
}

.sv-approach>.inner>.concept__text {
  margin: 0 0 64px;
  max-width: 720px;
}

.sv-approach__wrap {
  display: flex;
  gap: 56px;
  align-items: flex-start;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
  min-height: 150vh;
}

/* ---------- 左カラム：フロー ---------- */
.sv-flow {
  flex: 0 0 320px;
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

.sv-flow__title {
  font-family: var(--ff-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--navy-bright);
  margin: 0 0 6px;
}

.sv-flow__subtitle {
  font-family: var(--ff-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--ink);
  margin: 0 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(10, 10, 10, .10);
}

.sv-flow__list {
  list-style: none;
  padding: 10px;
  margin: 0 0 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: #FFFFFF;
  border: 1px solid rgba(10, 10, 10, .10);
  border-radius: 6px;
}

.sv-flow__phase-head {
  list-style: none;
  font-family: var(--ff-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 4px 4px 2px;
  padding: 0;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sv-flow__phase-head:first-child {
  margin-top: 0;
}

.sv-flow__phase-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(10, 10, 10, .18);
}

.sv-flow__item,
.sv-flow__grid {
  position: relative;
  padding: 10px 14px;
  font-family: var(--ff-jp);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--ink);
  background: #FFFFFF;
  border: 1px solid rgba(10, 10, 10, .10);
  border-radius: 4px;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.sv-flow__item::before,
.sv-flow__grid::before {
  content: none;
}

.sv-flow__item.is-active {
  background: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy);
}

.sv-flow__grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sv-flow__grid-label {
  font-family: var(--ff-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  color: inherit;
  margin: 0;
}

.sv-flow__grid-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  width: 100%;
}

.sv-flow__grid-items li {
  padding: 7px 10px;
  font-family: var(--ff-jp);
  font-size: 13px;
  letter-spacing: .02em;
  line-height: 1.4;
  color: rgba(30, 44, 92, .55);
  background: #EEEEF2;
  border: 1.5px solid transparent;
  border-radius: 4px;
  text-align: center;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.sv-flow__grid-items li.is-wide {
  grid-column: 1 / -1;
}

.sv-flow__grid-items li.is-active {
  background: var(--navy) !important;
  color: #FFFFFF !important;
  border-color: var(--navy) !important;
}


/* ---------- 中央：スクロール進捗ドット ---------- */
.sv-approach__progress {
  position: absolute;
  left: 320px;
  top: 0;
  margin-left: 28px;
  height: 100%;
  width: 8px;
  pointer-events: none;
  z-index: 2;
}

.sv-approach__progress-inner {
  position: sticky;
  top: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transform: translateY(-50%);
}

.sv-approach__progress-dot {
  width: 6.5px;
  height: 6.5px;
  border-radius: 50%;
  background: rgba(10, 10, 10, .18);
  transition: background .3s var(--ease), transform .3s var(--ease);
}

.sv-approach__progress-dot.is-active {
  background: var(--crimson);
  transform: scale(1.3);
}

/* ---------- 右カラム：スイッチ風タブ ---------- */
.sv-tabs {
  flex: 1 1 0;
  min-width: 0;
  position: sticky;
  top: 78px;
  align-self: flex-start;
  height: fit-content;
}

.sv-tabs__nav {
  position: relative;
  padding-right: 44px;
  margin: 0 0 24px;
}

.sv-tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  margin: 0;
  padding: 4px 8px 4px 4px;
  background: #FFFFFF;
  border: 1px solid rgba(10, 10, 10, .10);
  border-radius: 999px;
  box-shadow: none;
  max-width: 100%;
}

.sv-tabs__btn {
  position: relative;
  flex: 1 1 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 20px;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-family: var(--ff-jp);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: background .4s var(--ease-out), color .4s var(--ease-out), transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}

.sv-tabs__btn:not(.is-active):not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background: rgba(10, 10, 10, .10);
}

.sv-tabs__btn:not(.is-active)::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 1.5px;
  background: var(--navy);
  transition: width .35s var(--ease-out), left .35s var(--ease-out);
}

.sv-tabs__btn:not(.is-active):hover::before {
  width: 60%;
  left: 20%;
}

.sv-tabs__br {
  display: contents;
}

.sv-tabs__en {
  font-family: var(--ff-en);
  font-size: 10px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: .04em;
  color: var(--ink);
  text-transform: none;
}

.sv-tabs__btn:hover {
  background: #FFFFFF;
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, .08);
}

.sv-tabs__btn.is-active {
  background: var(--navy);
  color: #FFFFFF;
  transform: none;
  box-shadow: none;
}

.sv-tabs__btn.is-active .sv-tabs__en {
  color: rgba(255, 255, 255, .85);
}

/* 次へボタン */
.sv-tabs__next {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(30, 58, 110, .25);
  background: #FFFFFF;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
  padding: 0;
  transition: background .3s var(--ease-out), border-color .3s var(--ease-out), color .3s var(--ease-out);
}

.sv-tabs__next:hover {
  background: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy);
}

.sv-tabs__next:disabled {
  opacity: .3;
  cursor: not-allowed;
}

.sv-tabs__next:disabled:hover {
  background: #FFFFFF;
  color: var(--navy);
  border-color: rgba(30, 58, 110, .25);
}

.sv-tabs__next.is-hint {
  animation: svTabsNudge 1.6s ease-in-out 1.2s 2;
}

@keyframes svTabsNudge {

  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  50% {
    transform: translateY(-50%) translateX(5px);
  }
}

/* ---------- 右カラム：カード---------- */
.sv-tabs__content {
  display: none;
  flex-direction: column;
  gap: 16px;
}


.sv-tabs__content.is-active {
  display: flex;
  animation: svTabFade .4s var(--ease-out);
}

@keyframes svTabFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sv-card {
  position: relative;
  padding: 28px;
  background: #FFFFFF;
  border: 1px solid rgba(10, 10, 10, .10);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .05);
}


.sv-card__num {
  display: none;
}

.sv-card__title {
  font-family: var(--ff-jp);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: .18em;
  margin-bottom: 8px;
}

.sv-card__desc {
  font-family: var(--ff-jp);
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: .02em;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.sv-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.sv-card__list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--ff-jp);
  font-size: 15px;
  letter-spacing: .02em;
  line-height: 1.75;
  color: var(--ink-soft);
}

.sv-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 5px;
  border-left: 1.5px solid var(--crimson);
  border-bottom: 1.5px solid var(--crimson);
  transform: rotate(-45deg);
}

.sv-card__icon {
  width: 50px;
  height: 50px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  margin-bottom: 0;
}

.sv-card__icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.sv-card__title {
  display: inline;
  vertical-align: middle;
}


/* =======================================================
   PARALLAX
   ======================================================= */
.sv-parallax {
  height: 630px;
  background-image: linear-gradient(rgba(252, 251, 248, .30), rgba(252, 251, 248, .30)), url("../img/parallax-web.webp");
  background-attachment: fixed;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sv-parallax__wave {
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  width: 100%;
  height: 120px;
  pointer-events: none;
  z-index: 3;
  line-height: 0;
}

.sv-parallax__wave svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sv-parallax__wave--sp {
  display: none;
}

.sv-parallax__overlay {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 0 24px;
  text-align: center;
  color: #FFFFFF;
}

.sv-parallax__title-en {
  font-family: var(--ff-en);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 25px);
  line-height: 1.7;
  letter-spacing: .04em;
  margin: 0 0 22px;
  color: #FFFFFF;
}

.sv-parallax__title-ja {
  font-family: var(--ff-jp);
  font-size: clamp(26px, 2.9vw, 30px);
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.7;
  margin: 0;
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

.sv-parallax__title-ja::before,
.sv-parallax__title-ja::after {
  content: "";
  width: 32px;
  height: 3px;
  background: #FFFFFF
}

/* =======================================================
   SECTION 04 - FAQ
   ======================================================= */
.sv-faq {
  padding: 180px 0 120px;
  background: #FCFBF8;
  position: relative;
  overflow: visible;
  margin-top: -1px;
}

.sv-faq__wave {
  display: none;
}

.sv-faq__wave svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sv-faq>.inner {
  position: relative;
  z-index: 2;
}


.sv-faq__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 56px 0 0;
  padding: 0;
}

.sv-faq__item {
  background: #FFFFFF;
  border: 1px solid rgba(10, 10, 10, .08);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.sv-faq__item.is-open {
  background: #FFFFFF;
  border-color: rgba(10, 10, 10, .15);
}

.sv-faq__item dt {
  margin: 0;
}

.sv-faq__item dd {
  margin: 0;
}

.sv-faq__q {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 24px;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
}

.sv-faq__qmark {
  flex-shrink: 0;
  font-family: var(--ff-en);
  font-style: italic;
  font-size: 18px;
  font-weight: 500;
  color: var(--gold);
  line-height: 1;
}

.sv-faq__qtext {
  flex: 1;
  font-family: var(--ff-jp);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .02em;
  line-height: 1.7;
}

.sv-faq__icon {
  flex-shrink: 0;
  position: relative;
  width: 18px;
  height: 18px;
}

.sv-faq__icon::before,
.sv-faq__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease);
}

.sv-faq__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.sv-faq__item.is-open .sv-faq__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.sv-faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}

.sv-faq__item.is-open .sv-faq__a {
  max-height: 500px;
}

.sv-faq__a-inner {
  position: relative;
  padding: 4px 24px 22px 58px;
  font-family: var(--ff-jp);
  font-size: 15px;
  line-height: 2;
  letter-spacing: .02em;
  color: var(--ink-soft);
}

.sv-faq__a-inner::before {
  content: "A.";
  position: absolute;
  top: 4px;
  left: 24px;
  font-family: var(--ff-en);
  font-style: italic;
  font-size: 18px;
  font-weight: 500;
  color: var(--navy-bright);
  line-height: 1;
}

.sv-faq__item.scroll-fade[data-delay="1"] {
  transition-delay: .25s;
}

.sv-faq__item.scroll-fade[data-delay="2"] {
  transition-delay: .50s;
}

.sv-faq__item.scroll-fade[data-delay="3"] {
  transition-delay: .75s;
}

.sv-faq__item.scroll-fade[data-delay="4"] {
  transition-delay: 1.00s;
}

.sv-faq__item.scroll-fade[data-delay="5"] {
  transition-delay: 1.25s;
}

.sv-faq__item.scroll-fade[data-delay="6"] {
  transition-delay: 1.50s;
}


/* =======================================================
   RESPONSIVE - Tablet (max 960px)
   ======================================================= */
@media (max-width: 960px) {

  /* HERO 1カラム化 */
  .sv-hero {
    padding: 100px 0 80px;
  }

  .sv-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .sv-hero__shape {
    order: 1;
    max-width: 460px;
    margin: 0 auto;
    aspect-ratio: 4 / 3;
  }

  .sv-hero__text {
    order: 2;
    padding-top: 0;
  }

  /* Concept 1カラム化 */
  .sv-concept__compare {
    grid-template-columns: 1fr;
    gap: 56px;
    max-width: 460px;
  }

  .sv-concept__compare::before {
    top: 50%;
    bottom: auto;
    left: 24px;
    right: 24px;
    width: auto;
    height: 1px;
    transform: translateY(-50%);
  }

  .sv-concept__col {
    padding: 0px;
  }


  /* Approach 縦積み（フロー非表示、タブ sticky 解除） */
  .sv-approach__wrap {
    flex-direction: column;
    gap: 32px;
    min-height: 0;
  }

  .sv-flow {
    display: none;
  }

  .sv-approach__progress {
    display: none;
  }

  .sv-tabs {
    position: static;
    flex: 1 1 auto;
    width: 100%;
  }
}

/* =======================================================
   RESPONSIVE - Mobile (max 760px)
   ======================================================= */
@media (max-width: 760px) {

  /* HERO */
  .sv-hero {
    padding: 90px 0 70px;
  }

  .sv-hero__shape {
    display: none !important;
  }

  .sv-hero__lead {
    font-size: 14px;
  }

  .sv-hero__wave-bottom {
    height: 50px;
  }

  /* Concerns */
  .sv-concerns {
    padding: 80px 0 0;
  }

  .sv-concerns__divider {
    margin-top: 32px;
  }

  .sv-concerns__divider::before {
    left: auto;
    right: 40px;
  }

  .sv-concerns__divider::after {
    left: auto;
    right: 41px;
  }

  .sv-concerns__lower {
    padding: 56px 0 80px;
  }

  .sv-concerns__content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sv-concerns__visual {
    display: none !important;
  }

  .sv-concerns__item {
    font-size: 14px;
    padding: 14px 4px;
  }


  /* Concept */
  .sv-concept {
    padding: 80px 0;
  }

  .sv-concept__col-title {
    font-size: 17px;
  }

  .sv-concept__col-desc {
    font-size: 15px;
  }

  /* Approach */
  .sv-approach {
    padding: 40px 0;
  }

  .sv-flow__grid-items {
    grid-template-columns: 1fr;
  }

  /* Tabs */
  .sv-tabs__list {
    padding: 4px;
    margin: 0 -12px 24px;
    width: auto;
    max-width: none;
  }

  .sv-tabs__btn {
    padding: 1px 1px;
    font-size: 10.5px;
    letter-spacing: .02em;
    min-width: 0;
  }

  .sv-tabs__en {
    font-size: 9px;
    letter-spacing: .02em;
  }

  .sv-tabs__btn:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
  }

  .sv-tabs__btn.is-active:hover {
    background: var(--navy-bright);
    color: #FFFFFF;
  }

  .sv-tabs__btn:active {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .12);
    background: #FFFFFF;
  }

  .sv-tabs__btn.is-active:active {
    background: var(--navy-bright);
    color: #FFFFFF;
  }

  .sv-tabs__br {
    display: block;
    font-size: 0;
    line-height: 0;
    height: 0;
    margin-top: -11px;
  }

  /* Card */
  .sv-card {
    padding: 24px;
  }

  .sv-card__title {
    font-size: 15px;
  }

  .sv-card__desc {
    font-size: 15px;
  }

  .sv-card__list li {
    font-size: 14px;
  }

  .sv-parallax {
    height: 340px;
    background-attachment: scroll;
    background-position: center 15%;
  }

  .sv-parallax__wave--pc,
  .wave-divider--faq-pc {
    display: none;
  }

  .sv-parallax__wave--sp,
  .wave-divider--faq-sp {
    display: block;
  }

  .sv-parallax__overlay {
    padding: 0 28px;
  }

  .sv-parallax__title-en {
    font-size: 16px;
    margin-bottom: 14px;
  }

  .sv-parallax__title-ja {
    font-size: 18px;
    letter-spacing: .02em;
    gap: 12px;
  }

  .sv-parallax__title-ja::before,
  .sv-parallax__title-ja::after {
    width: 20px;
    height: 2px;
  }

  /* FAQ */
  .sv-faq {
    padding: 120px 0 80px;
  }

  .sv-faq__wave {
    height: 80px;
  }

  .sv-faq__q {
    padding: 18px 20px;
    gap: 12px;
  }

  .sv-faq__qtext {
    font-size: 15px;
  }

  .sv-faq__a-inner {
    padding: 4px 20px 20px 50px;
    font-size: 12.5px;
  }

  .sv-faq__a-inner::before {
    left: 20px;
  }
}